Stockholders' Equity - Narrative (Details) (USD $)	0 Months Ended	3 Months Ended	12 Months Ended
	Dec. 05, 2013	Mar. 31, 2014	Dec. 31, 2013
Equity [Abstract]
Stock repurchase program, authorized amount	$ 200,000,000.0
Stock repurchase program, remaining authorized repurchase amount		75,000,000
Stock repurchased value		$ 29,500,000	$ 800,000
Stock repurchased (in shares)		2,000,000	50,000